How do you prepare a subfloor for vinyl tile?

Author: Euna Homenick  |  Last update: Tuesday, June 9, 2026

Preparation of the subfloor Bumps should be removed by sanding or scraping. If an appropriate levelling compound is required, check if a primer or sealer is needed. In most cases, the use of an underlay may help for levelling of the subfloor.

What goes between subfloor and vinyl?

Underlayment sits between the subfloor and the finished floor covering. They can be made from a variety of materials like foam, cork, felt, and rubber.

Can you put vinyl tile on a subfloor?

¼” plywood works well as a subfloor for vinyl, and you can install vinyl directly over wood. Over a wood subfloor, you need a Class II moisture retardant. If your wood subfloor is old and worn with holes, gaps, and cracks, you can use a liquid leveling agent to create a smooth surface.

What should I put down before laying vinyl flooring?

Get some 1/8" Hardboard, Lauan or birch plywood (one side smooth) and lay it down without gaps over the sub floor. At this thickness, you can staple it down. smooth any edges/fill any gaps. Lay your vinyl.

How clean does the subfloor need to be for LVP?

Clean the subfloor: This is important to ensure that there is no dust or debris that can interfere with the application of the latex smoothing compound. Use a broom or vacuum to remove any dirt, dust, or debris.

How to Prepare Subfloor for Tile | The Home Depot

How to prep a subfloor for vinyl?

Preparing a Concrete Subfloor for Luxury Vinyl Flooring
  1. Test the moisture content of your concrete subfloor. ...
  2. Thoroughly clean your subfloor. ...
  3. Check your subfloor to make sure it is level. ...
  4. Level your floor by filling low spots with patching compound and a putty knife. ...
  5. Use a belt sander to reduce high spots.

Is Swiffer wet safe for LVP flooring?

Our Swiffer Wet cloths are designed with a pH close to neutral. As well, these cloths have been tested to be safe for use on vinyl plank flooring. Helpful? Thank you for your feedback!

What happens if you don't put a moisture barrier under vinyl flooring?

When moisture penetrates your flooring, it can cause mold, mildew, and the potential for water damage. A moisture barrier helps control the water vapor's movement to help protect your floors. Therefore, if you're installing floors in an area that sees moisture, even a little, a vapor barrier is needed.

Do I need underlayment for LVP on plywood subfloor?

Underlayment is needed if you're going to install vinyl plank flooring over tile, vinyl flooring, and even hardwood. As mentioned, with the plywood floor, there's no need to worry about a moisture barrier; the underlayment should provide cushioning and sound-deadening benefits.

What does vinyl flooring sit on?

vinyl plank flooring in your kitchen or bedroom. You can easily install it over any rigid and level surface, including concrete, wood or even up to one layer of other vinyl.

How to prepare floor for vinyl tiles?

Your existing floor must be sound, dry and level. If you want to lay new tiles over old ones, these must be firmly stuck down - otherwise, remove them. If you have a timber floor, screw down any loose boards and then lay hardboard or plywood over it.

What goes between subfloor and tile?

What Constitutes an Underlayment for Tile?
  • Backer board.
  • Mortar beds.
  • Patching compounds.
  • Self-leveling underlayments (SLU)
  • Liquid and sheet membranes.
  • Uncoupling membranes.

Can you put vinyl flooring directly on plywood?

Vinyl flooring can go over a plywood subfloor without a vinyl flooring underlayment as long as the substrate is sturdy, smooth, and flat. If your plywood subfloor is in poor condition, you may need a thin plywood underlayment to smooth the surface out.

What is a common underlayment for vinyl flooring?

The best underlayment for vinyl flooring varies; foam offers extra cushioning, felt provides sound control and insulation, and cork is great for noise reduction, but not a moisture barrier.

Should you put a vapor barrier between subfloor and underlayment?

Yes. Hardwood flooring is quite sensitive to moisture and it's always worth adding a moisture barrier during installation. It is a necessity with concrete subfloors and damp areas, but water-resistive underlayments should be considered with other subfloors as well.

Should there be a gap between vinyl floor and baseboard?

Note: Don't want to deal with removing baseboards? You can leave them in place, but you will need to leave a ¼” gap between the baseboard and flooring, to account for expansion over time.

How to prep subfloor for vinyl plank flooring?

Prep your subfloor so it's clean, dry and level within 3/16-inch change per 10 feet. Use a self-leveler on low spots and/or sand high spots of wood or concrete. Don't sand old vinyl flooring as it may contain asbestos.

Why does my LVP floor crackle when I walk on it?

When you walk on tile, you are pushing it down into the adhesive, and if the tile is not conformed, you are pushing it into contact with the adhesive which causes the clicking/crackling sound. To fix this, you can usually heat the area for at least a day, and then roll the tile using a 100-pound roller.

Should I caulk subfloor seams?

A successful tile installation project requires a level surface. Check for dips in the floor by sliding a 4-foot to 6-foot straight edge in different directions all around the room. Mark any uneven spots you find so that you can make them level. Fill seams in the subfloor with caulk.

Does anything go underneath vinyl flooring?

Underlayment is not required if the vinyl flooring will be laid over a cushion-backed vinyl floor or a tile floor below grade. In all other applications, however, you should use one, such as covering existing hardwood floors, vinyl flooring without cushion, and concrete floors.

Do I need to fill grout lines before laying vinyl plank flooring?

When you're laying LVP over existing tile, the grout lines are one of the first things you'll need to address. Grout lines can create a slightly uneven surface, and if not smoothed out, they might become visible through the LVP, creating an unsightly “telegraphing” effect.

What is the difference between a vapor barrier and a moisture barrier?

Both are designed to keep moisture out of your home and can be made from various materials. But there are a few key differences, the most apparent being that moisture barriers are better at keeping out liquids, and vapor barriers are better at keeping out water in its gaseous state.

What is the best thing to clean LVP flooring with?

Generally speaking, most luxury vinyl planks can be cleaned using soap and water and don't require a special LVP cleaner. A dishwashing soap like Dawn is the best way to clean vinyl plank flooring because it will cut grime and grease without stripping your floors or damaging the wear layer.

Is Bona floor cleaner safe for luxury vinyl plank?

Bona has everything you need for maintaining and cleaning vinyl floors; from vinyl floor cleaners to mops and vinyl floor polish. Whether you have luxury vinyl tile, luxury vinyl plank or sheet vinyl flooring, Bona has you covered.

What is the best mop for LVP flooring?

Recommended Mops for LVP Flooring:

O-Cedar EasyWring™ Spin Mop & Bucket System. Bona Premium Spray Mop for Hard-Surface Floors. Quick Shine® Premium Spray Mop Kit.

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